soldier standing between two hills hears two echoes after firing the gun. The first echo was heard after 1.2 s and the second echo after 2.4 secs. Find the distance between the two hills. (speed of the sound in air=340 m/s) *
Answers
Answered by
2
Answer:
Given,
Time 1 (t₁) = 1.2 s
Time 2 (t₂) = 2.4 s
Velocity of Sound (V) = 340 m/s
d₁ = Vt₁/2
= (340*1.2)/2
= 204 m
d₂ = Vt₂/2
= (340*2.4)/2
= 408 m
Total Distance between two hills (D) = d₁+d₂
= 204+408 m
= 612 m or, 0.612 km
I hope this helps.
Similar questions